Joseph bachner



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J. BAGHNER.

ALARM WATCH.

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UNITED STATES PATENT Orrlcra JOSEPH BACHNER, OF NEY YORK, N. Y.

ALARM-WATCH.

SPECIFICATION forming part of Letters Patent No. 254,901, dated March14, 1882.

Application tiled August 1,1881.

To all whom tt may concern:

Be it known that I, JOSEPH BAOHNER, a subject ofthe Emperor of Russia,residing at New York, inthe county and State of New York, have inventednew and useful Improvements in Alarm-Vatches, of which the following isa specification.

This invention relates to alarm attachments for watches; and it consistsin the combination of an anvil on the rim of the watch-case for thereception of a percussion-cap, a hammer hun g by an interior pivot tothe case-rim, and having its outer end adapted to strike the anvil, ahammer-spring on the interior ofthe case-rim, an index-wheel on thearbor ofthe hour-hand, carrying a trip-pin, and a hammer-lock mechanismadapted to be actuated by the trip-pin for releasing the hammer. Thehammer-lock mechanism is composed of a dog engaging the hammer and atrigger engaging` the dog, the trigger being the part which is actuatedby the trip-pin ofthe index-wheel.

This invention is illustrated in the accompanying drawings, in whichFigure l represents a face View. Fig. 2 is a longitudinal section in theplane ofthe line x ar, Fig. 3. Fig. 3 is a central cross-section.

Similar letters indicate corresponding parts.

The letter A designates the rim of the watchcase; B, the anvil, O, thehammer; D, the hammer-spring, and E the index-wheel. F designates thedog, and G the trigger, composing` the hammer-lock mechanism.

The anvil B is constructed with a flange, 0, whereby it is secured tothe case-rim A, to project on the exterior thereof, the shape of theanvil being such as to adapt it for receiving a percussion-cap.

The hammer U is hung to the case-rim by a pivot, b, interior thereof',and the outer end or port-ion of the hammer is in a concentric line withthe anvil B, so that it is adapted to strike the anvil.

The hammer-spring D is secured to the interior of theease-rim, and itacts on the tail end of the hammer O with a tendency to force its outerend against the anvil.

The index-wheel Eis constructed with a hub, s, wherebyit is mounted onthe arbor H of the hour-hand I, and it revolves therewith, like thehour-hand, by frctional contact, so that the (No model.)

index-wheel is capable of motion independently ofthe hour-hand andarbor. On the hubs ofthe index-wheel is secured its trip-pin t, Fig. 2,projecting therefrom in a radial direction; but this pin can also besecured to the back ot' the wheel.

The trigger G swings on a pivot, i', and its one end lies in the path ofthe trip-pin t, so as to be actuated thereby, while its opposite or tailend lies next to a lug, n., formed at one end ofthe dog F, the other endofthe dog havingr a nose, a, for engaging the hammer O at its tail end,where the hammer is provided with a toe, a.

The dog F and trigger G are arranged on opposite sides ofthe plate J ofthe watch, and the lug n of the dog projects through aslot, 7c, in theplate, while the dog is subjected to the action of a spring, l, having atendency to force the lug to the outer end of the slot. \Vl1en thehammer G is retracted the toe u rides past the nose a of the dog andtakes its place thereon, while the lug a ofthe dog is at the same timeforced against the tail end ofthe trigger G, as shown in Fig. l. It' thetrigger G is now actuated and displaced by the trip-pin t, it releasesthe dog, and the latter in turn releases the hammer, allowing it tofollow the action of its spring and strike the anvil, so that it apercussion cap has been previously placed on the anvil the cap isexploded, thus sounding an alarm.

On the face ot' the indexavheel E are marked figures corresponding tothose of the watchdial, as shown in Fig. 1, and the trip-pin t is set tosuch a position relatively to such tigures that it' the index-wheel isturned forward to bring that figure thereof representing the hour atwhich it is desired to sound the alarm opposite or below the hour-hand Ithe trip-pin will aetuate the trigger G at thatI hour. In other words,the position of the trip-pin t is such that it' the figure 12 oftheindex-wheel is brought under the hour-hand at 12 oclock the trip-pinwillhavej ust passed beyond thetrigger.

It should be remarked that other lock mcchanism can be substituted forthat shown without departure irom my invention.

What I claim as new, and desire to secure by Letters Patent, is-

1. The combination, substantially as hereinbefore set forth, ofthe anvilon the rim ofthe watch-case for the reception of a percussion- IOO cap,the hammer hung by an interior pivot to the ease-rim, and haifing itsouter end adapted to strike the anvil, the hammer-spring,1 on theinterior of the oase-rim, the index-Wheel on the 5 'arbor of thehour-hand carrying a trip-pin, and

1o Watch-oase for the reception of a percussioncap, the hammer hung byan interior pivot to the caserim, and having its outer end adapted tostrike the anvil, the hammer-spring on the interior of lhe 'case-rim,the dog engaging the hammer, the trigger engaging the dog, and theindex-wheel on the arbor of the hour-hand earrying a trip-pin adapted toaotnate the trigger. In testimony whereof I have hereunto set my handand seal in the presence of two subscribing` witnesses.

JOSEPH BAGHNER. Witnesses:

W. HAUFF, E. F. KAsTENHUBER.

